The Use of Grids for Extraoral Radiography Is Not Common

question 5

Multiple Choice

The use of grids for extraoral radiography is not common in dental practice and is mostly confined to cephalometric and TMJ radiographs.The function of the grid is to decrease the amount of scatter radiation originating in the object.

• A)Both statements are true.
• B)Both statements are false.
• C)First statement is true,second is false.
• D)First statement is false,second is true.

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Definitions:

Veins

Blood vessels that carry blood toward the heart, differing from arteries which carry blood away from the heart.

Left Atrium

A chamber among the heart's four, responsible for accepting blood enriched with oxygen from the lungs and propelling it into the left ventricle.

Congestive Heart

A condition, often termed congestive heart failure, where the heart is unable to pump blood efficiently, leading to fluid buildup in various parts of the body.

Myocardial Infarction

A medical condition commonly known as a heart attack, caused by the interruption of blood flow to a part of the heart.